Principal Linux System Administrator

Raytheon Technologies Corporation; Huntsville (AL); On-site; USD 82,000 - 164,000; Full time

Job summary

An established industry player is seeking a Principal Linux Systems Administrator to join their innovative Digital Technology team. In this pivotal role, you will be responsible for managing IT systems in a dynamic environment, ensuring seamless operations across Microsoft Windows and Red Hat Linux systems. Your expertise will help maintain security protocols and support critical infrastructure for classified programs. This position offers a unique opportunity to contribute to mission-driven projects that enhance national security. If you are passionate about technology and thrive in a collaborative atmosphere, this role is perfect for you.

Benefits

Medical Insurance

Dental Insurance

Vision Insurance

401(k) Match

Flexible Work Schedules

Paid Time Off

Parental Leave

Employee Assistance Program

Employee Scholar Program

Qualifications

• 5+ years of experience in systems administration with a focus on Linux and Windows environments.
• Must possess a transferable U.S. government issued secret clearance.

Responsibilities

• Administer IT systems in a mixed Windows and Red Hat Linux environment.
• Lead Red Hat installation and configuration for classified programs.

Skills

Red Hat Enterprise Linux

Active Directory

VMware

MySQL

Networking Administration

Troubleshooting

Scripting

Education

Bachelor's Degree

Master's Degree

Tools

Microsoft Windows

VMware vCenter

vSphere

NAS

SAN

Job description

Date Posted: 2025-04-02

Country: United States of America

Location: AL200: 401 Jan Davis Drive, Huntsville, AL, 35806 USA

Position Role Type: Onsite

Principal Linux Systems Administrator

100% onsite, Huntsville, AL. Must have a current active secret clearance, we offer relocation!

About US:

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

What is YOUR Mission?

Empowering a global business. Providing affordable solutions. Delivering competitive discriminators by unleashing deep expertise. These are just some of the many ways the Digital Technology team at Raytheon Technologies creates success for our customers. Joining our team will allow you to collaborate with Raytheon organizations to enable business growth, speed, and agility through business innovation, technical proficiency, and operational excellence.

Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe are able to communicate, collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats, secure the integrity of our systems, and support IT infrastructures around the world.

What You Will Do:

• Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
• Lead and coordinate the Red Hat Installation and configuration.
• Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross-platform authentication and access management; data backup and restoration; software and license configuration; and workstation support.
• Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
• Working as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
• Understanding of data RAID, data backup uses and technologies. Install and configure software applications requested by end users.
• Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.
• Must be able to develop solutions and documentation to a variety of technical problems.
• Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
• Travel required up to 5%
• Full time 100% Onsite position

Qualifications You Must Have:

• Typically requires bachelor’s degree and minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience.
• Must have a transferable U.S. government issued secret clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Must have Red Hat Enterprise Linux experience.
• Experience in one of the following: Active Directory, VMware, MySQL, networking administration experience.

Qualifications We Prefer:

• Should have Windows experience.
• VMware highly desired.
• An active DoD TS/SCI with Polygraph clearance or prior SCI/program eligibility.
• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification).
• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
• In-depth working experience in Windows Server.
• Experience with data storage, NAS, and SAN technologies and solutions.
• Experience with using Information Technology project lifecycle management processes.
• Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
• Experience supporting engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, SMECP, and/or Exchange.
• High Performance Computing (HPC) experience in a Linux environment.
• Scripting Experience.

What We Offer:

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation Eligibility:

The salary range for this role is 82,000 USD - 164,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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